private Bitmap decodeToBitmap(ByteBuffer jpegData, int sampleSize)
{
sbyte[] jpegDataArray = new sbyte[jpegData.remaining()];
jpegData.get(jpegDataArray);
jpegData.rewind();
BitmapFactory.Options option = new BitmapFactory.Options();
option.inSampleSize = sampleSize;
return BitmapFactory.decodeByteArray(jpegDataArray, 0, jpegDataArray.Length, option);
}
private Bitmap decodeToBitmap(ByteBuffer jpegData, int sampleSize, int cropWidth)
{
sbyte[] jpegDataArray = new sbyte[jpegData.remaining()];
jpegData.get(jpegDataArray);
jpegData.rewind();
BitmapFactory.Options option = new BitmapFactory.Options();
option.inSampleSize = sampleSize;
if (cropWidth == 0)
{
return BitmapFactory.decodeByteArray(jpegDataArray, 0, jpegDataArray.Length, option);
}
Bitmap bitmap = null;
try
{
BitmapRegionDecoder decoder = BitmapRegionDecoder.newInstance(jpegDataArray, 0, jpegDataArray.Length, true);
int cropHeight = cropWidth * decoder.Height / decoder.Width;
Rect cropRect = new Rect(decoder.Width / 2 - cropWidth, decoder.Height / 2 - cropHeight, decoder.Width / 2 + cropWidth, decoder.Height / 2 + cropHeight);
bitmap = decoder.decodeRegion(cropRect, option);
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
return bitmap;
}
